Home / 1,165,036,232.32-1,607,719,302.72-643,504,266.88

Finding the Fourth Proportional to 1,165,036,232.32, 1,607,719,302.72 and 643,504,266.88

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Solution

The fourth proportional to 1,165,036,232.32, 1,607,719,302.72 and 643,504,266.88 is: 888,018,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,036,232.32 : 1,607,719,302.72 = 643,504,266.88 : x
  2. Step 2: Convert to fraction form
    1,165,036,232.32/1,607,719,302.72 = 643,504,266.88/x
  3. Step 3: Cross multiply
    1,165,036,232.32x = 1,607,719,302.72 × 643,504,266.88
  4. Step 4: Simplify right side
    1,165,036,232.32x = 1,034,574,231,245,658,368
  5. Step 5: Solve for x
    x = 1,034,574,231,245,658,368/1,165,036,232.32
  6. Step 6: Final answer
    x = 888,018,932.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.